RomhackPlaza/app/Models/Language.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Language extends Model
{
    protected $fillable = [ 'name', 'slug' ];

    public function entries(): BelongsToMany
    {
        return $this->belongsToMany(Entry::class, 'entry_languages');
    }
}